Belt sliding switch

Details：
Usage: The product provide a economic way for customers on solving the problems such as belt sliding, belt broken, drive shaft shearing and overloading, etc. it can be used for the speed inspection on the equipments such as belt conveyor, hanger rod lifting, spiral promotion, grinding or break, pump, centrifugal dryer,etc.
Specification:
Operating Voltage: 220V/AC
2A／220V／AC
Output Contact: 2 NO, 2 NC, 2A/220V/AC
Inspection distance : Model B1: 10mm, Model B2: 15mm
Resolution Range: 0.2m/Sec ~ 5.0m/Sec (6~150 times/min, Speed parameter could be setup onsite)
Description:
The product should be straightly installed onside of the driving drum or of the large diameter roller to inspect the speed status. The output signal is proceeded by a comparator with Fr. The movement of the inspected object will produce an oscillation frequency Fc. Fc>Fr stands that the operation speed is normal, and no signals outputs. When Fc Installation Diagram